1004: A+B（基本输入输出4）

import java.util.Scanner;public class Main {  public static void main(String[] args) {  Scanner in =  new Scanner(System.in);      while(in.hasNext()){      int n = in.nextInt();      if(n==0){      break;      }else{      int result = 0;      for(int i=1;i<=n;i++){      int m = in.nextInt();      result+=m;      }      System.out.println (result);      }            }  }}